Question

Answer the attachment
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Answer 1

Answer:

45 degree will be the answer

Explanation:

why because addition of angles of AOB, BOC AND COD is equal to get 180 degrees...since linear pair

LET angle AOB=angle COD =x

so, x+90+x=180

2x+90= 180

2x= 90

x= 45

Answer 2

$Hope \: \: it \: \: helps!!!$